US20020162188A1 - Vacuum cleaner - Google Patents
Vacuum cleaner Download PDFInfo
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- US20020162188A1 US20020162188A1 US09/917,740 US91774001A US2002162188A1 US 20020162188 A1 US20020162188 A1 US 20020162188A1 US 91774001 A US91774001 A US 91774001A US 2002162188 A1 US2002162188 A1 US 2002162188A1
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- United States
- Prior art keywords
- main casing
- vacuum cleaning
- cleaning apparatus
- canister body
- latching mechanism
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Abandoned
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L9/00—Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners
- A47L9/10—Filters; Dust separators; Dust removal; Automatic exchange of filters
- A47L9/16—Arrangement or disposition of cyclones or other devices with centrifugal action
- A47L9/1691—Mounting or coupling means for cyclonic chamber or dust receptacles
Definitions
- the present invention relates to a vacuum cleaning device and, more particularly, to a vacuum cleaner having a releasable bin.
- a typical upright vacuum cleaner comprises a main casing, which houses a dust separation apparatus, a cleaner head pivotally mounted to the main casing and a handle attached to the main casing for moving the device on a set of wheels over a floor.
- the collected dirt and dust must ultimately be emptied from the device.
- this involves removing a portion of the main casing (i.e. an access panel) to provide access to a dust collector to be emptied or replaced.
- the portion of the main casing removed also functions as the dust collector itself.
- the access panel and/or dust collector is located close to the ground, which requires the user to stoop or bend over to operate the release mechanism.
- Easy removal and replacement is also hindered by the fact that the removable portion(s) must be sealed and tightly secured in place while the device is in operation to ensure minimal air leakage. This design consideration typically results in a panel or collector which is difficult to remove and/or replace.
- the latching mechanism of the present invention provides an easily operable and ergonomic mechanism which minimizes user time and frustration in removing and replacing a canister body on a main casing of the vacuum cleaner.
- the result is a device which has a removable components what are easily sealable by the manufacturer and easily operated by the user.
- the present invention provides an upright vacuum cleaning device comprising a main casing having a handle extending from an upper end thereof and a cleaning head pivotally mounted to a lower end thereof, a body having a dust separation apparatus and a dust collection apparatus disposed substantially therein, and a latching mechanism adapted to realisably retain the body on the main casing.
- FIG. 1 is a perspective view of a vacuum cleaner according to the present invention
- FIG. 2 is a side view of the vacuum cleaner of FIG. 1;
- FIG. 3 is an enlarged perspective view of a portion of the front of the main casing of the vacuum cleaner of FIG. 1;
- FIG. 4 is an enlarged perspective view of a portion of the front of the main casing of the vacuum cleaner of FIG. 1, showing the canister partially removed therefrom;
- FIG. 5 is an enlarged perspective view similar to FIG. 4, shown from a different angle;
- FIG. 6 is an enlarged perspective rear view of the removable canister of the vacuum cleaner of FIG. 1;
- FIG. 7 is a sectional view of the vacuum cleaner of FIG. 1 taken along the lines 7 - 7 ;
- FIG. 8 a is an enlarged sectional view of the latch assembly of FIG. 7, shown in the disengaged position;
- FIG. 8 b is an enlarged sectional view of the latch assembly of FIG. 7, shown in the engaged position;
- FIG. 9 is an enlarged perspective view of the latch assembly of the present invention with a portion thereof broken away to show detail;
- FIG. 10 is an enlarged perspective view of the latch assembly from a different angle with a portion thereof broken away to show detail
- FIG. 11 is an exploded view of the canister according to the present invention.
- a vacuum cleaner incorporating the present invention is shown generally in the figures at 10 .
- an upright vacuum cleaner 10 has a main casing 12 , cleaning head 14 pivotally mounted to main casing 12 , a handle 16 for manually moving vacuum cleaner 10 over a surface on wheels (which preferably include front wheels, not shown, and rear wheels 18 ), and an optional lifting handle 20 for carrying vacuum cleaner 10 .
- main casing 12 has a canister body 22 (FIG. 6) mounted thereto which contains the dust separation mechanism.
- the dust separation mechanism preferably includes a dust separation apparatus 24 and dust collection apparatus 26 .
- Canister body 22 is removably retained on main casing 12 in part by a latch assembly 28 .
- Vacuum 10 may optionally include a final filter 30 , such as a HEPA filter.
- vacuum cleaner 10 may be typical of known devices.
- vacuum cleaner 10 has at least one dirty air inlet (not shown), positioned adjacent the floor in base 32 of cleaning head 14 , and an inlet conduit leading from the dirty air inlet to dust separation apparatus 24 .
- vacuum cleaner 10 has a clean air outlet conduit (e.g. 60 as shown in FIG. 4), for removing cleaned air from dust separation apparatus 24 for expulsion from vacuum cleaner 10 .
- a vacuum source typically an electric fan and motor assembly, is provided to induce the air flow through the system and is typically located in cleaning head 14 , although placement of the fan and motor assembly in other locations within the device is known.
- Dust separation apparatus 24 may comprise any means for separating particles (e.g. dirt and dust) from a fluid flow (e.g. air), and dust collection apparatus 26 may be any dust collection means suited to the dust separation means employed.
- dust separation apparatus 24 comprises a cyclonic separator 40 and dust collection apparatus 26 is a transparent, cylindrical bin 42 .
- a single- or multi-stage cyclonic apparatus may be employed, either alone or in combination with other separation means (e.g. physical filtration members and/or electrostatic filtration).
- dust separation apparatus 24 and dust collection apparatus 26 may comprise a filter bag and housing as are known in the art.
- a cyclonic separator 40 has an air inlet (e.g. 44 ) in communication with a dirty air stream, e.g., from cleaning head 14 via inlet duct 54 and second aperture 58 for introducing “dirty” air to separator 40 in a manner causing a cyclonic flow therein (e.g. air inlet 44 is a tangential air inlet).
- the cyclonic flow deposits particles in collector bin 42 and an air exit (e.g. 46 ) in separator 40 delivers “clean” air to an outlet conduit (e.g. 60 ) for expulsion from vacuum cleaner 10 .
- canister body 22 is generally cylindrical, with an upper end 50 and a lower end 52 .
- Latch assembly 28 on upper end 50 securely maintains canister body in position with respect to main casing 12 .
- Main casing 12 has an inlet duct 54 provided internally thereof which defines a dirty air passage leading upwardly from cleaning head 14 and communicating with dust separation apparatus 24 via first aperture 56 on the inner surface of main casing 12 (see FIG. 4) which communicates with a second aperture 58 in canister body 22 (see FIGS. 5 and 6) leading to the air inlet (not shown) of cyclone separator 40 when canister body 22 is secured in position.
- Main casing 12 also has an outlet duct 60 provided internally thereof which defines a clean air outlet passage leading downwardly from cyclone separator 40 to the vacuum motor (not shown) in cleaning head 14 .
- Outlet duct 60 communicates with cyclone separator 40 via a third aperture 62 in canister body 22 , which is in communication with cyclone air exit 46 , and a fourth aperture 64 in main casing 12 when canister body 22 is secured in position. It will be apparent that the air flow passages and their apertures may be located in different positions.
- a receiving bay 66 is defined between inlet duct 54 and outlet duct 60 for receiving canister body 22 in main casing 12 , with bay 66 being adapted to receive canister body 22 in an aesthetically pleasing manner.
- Receiving bay 66 is substantially concavely cylindrical, to matingly receive cylindrical canister body 22 , and has a base 68 (see FIGS. 5 and 7) with a locating pin 70 extending therefrom.
- Base 68 is adapted to receive lower end 52 of canister body 22 , which also has a dimple 72 for receiving at least a portion of locating pin 70 therein.
- Locating pin 70 and dimple 72 cooperate to secure and position lower end 52 of canister body 22 in receiving bay 66 and, together with latch assembly 28 , retain canister body 22 on main casing 12 .
- Base 68 may alternately utilize other alignment means known in the vacuum cleaner art.
- Latch assembly 28 is positioned adjacent upper end 50 of canister body 22 to permit a user to actuate latch mechanism, preferably without essentially any stooping or bending.
- latch assembly 28 may be positioned on lifting handle 20 , near handle 16 .
- latch mechanism 28 could be positioned elsewhere on upper end 50 , e.g. top surface 48 .
- latch assembly 28 has a latch portion 80 mounted to main casing 12 , and a catch portion 82 mounted to canister body 22 .
- Latch portion 80 includes a pawl 84 , having a tooth 86 , which extends outwardly from the inner surface of receiving bay 66 .
- Latch portion 80 also has a lower skirt 110 , and a depending portion 112 . Depending portion 112 is spaced apart from tooth 86 of pawl 84 so that a recess 114 exists therebetween. Latch portion 80 also has an upper skirt portion 116 . Pawl 84 is moveable between a first position, in which it engages with latch portion 82 and a second position in which it is disengaged from latch portion 82 . While pawl 84 could be designed as a rocker switch, pawl 84 is preferably biased, preferably to the first position. To this end a resiliently deformable member (e.g. an elastomeric member, a compression spring on a tension spring) may be used. Referring to FIGS.
- a resiliently deformable member e.g. an elastomeric member, a compression spring on a tension spring
- base 88 is provided distal to pawl 84 .
- a compression spring 92 extends between base 88 and lower skirt 110 . When pawl 84 is moved to the disengaged position, spring 92 is compressed. The compression in spring 92 biases base 88 , and pawl 84 , to the engaged position shown in FIG. 8 a.
- Catch portion 82 has a vertically extending lip 94 .
- Catch portion 82 further includes a release means 98 which acts on tooth 86 to move pawl 84 between its engaged and disengaged positions.
- Pawl 84 and tooth 86 may be of any construction which will cause pawl 84 /tooth 86 to move when acted upon by a longitudinal or rotational motion.
- a longitudinal motion is used.
- a release cam 100 which is movable between a disengaged position (see FIG. 8 a ) and an engaged position (see FIG. 8 b ) may be used.
- a biasing means 102 urges cam 100 to a disengaged position, e.g. upwardly.
- a button 106 permits manual operation of cam 100 .
- Biasing means 102 may be an elastomeric member or a spring. Biasing means may be a tension or compression spring. As shown in FIGS. 8 a and 8 b , handle 20 is provided with a skirt 108 . Spring 104 extends between skirt 108 and button 106 to urge button 106 upwardly.
- latch assembly 28 When latch assembly 28 is assembled in the ‘latched’ position (FIG. 8 a ), pawl 84 extends past gap 96 so that tooth 86 and depending portion 112 engage lip 94 in recess 114 . Upper skirt portion 116 also abuts against button 106 . Spring 104 maintains cam 100 out of contact with tooth 86 .
- button 106 When button 106 is depressed to ‘unlatch’ latch assembly 28 , cam 100 pushes pawl 84 downwardly (FIG. 8 b ) so that tooth 86 is moved downwardly out of engagement with lip 94 , thereby permitting pawl 84 to be withdrawn from gap 96 .
- collection apparatus 26 is separable from the remainder of canister body 22 to permit collected dust and dirt particles to be emptied therefrom such as into a garbage can located outside of a house.
- Dust separation apparatus 24 has a central post portion 120 which terminates at an end portion 122 which has a curvilinear slot 124 therein.
- Collection apparatus 26 has a central socket 126 with a pin 128 projecting internally therein. End portion 122 of central post 120 is insertable in socket 126 , and pin 128 is engageable with curvilinear slot 124 to provide a bayonet-mount assembly 118 to mount collection apparatus 26 to dust separation apparatus 24 .
- pin 128 and curvilinear slot 124 are adapted to permit dust collection apparatus 26 to be rotatable from a first position, in which dust collection apparatus 26 is securely attached to dust separation apparatus 24 by way of the interaction between pin 128 and curvilinear slot 124 , and a second position wherein dust collection apparatus 26 is releasable from dust separation apparatus 24 by releasing pin 128 from curvilinear slot 124 by moving dust collection apparatus 26 to said second position.
- a locating ring 130 is provided on a lower portion of dust separation apparatus 24 to position and secure upper lip 132 of dust collection apparatus 26 against dust separation apparatus 24 when canister body 22 is assembled as described above.
- vacuum 10 is operated by energizing the motor and fan assembly to activate an air flow stream through the device.
- Vacuum cleaner 10 is moved over a floor surface to be cleaned and dirt and dust is entrained in the airflow drawn into the device through cleaning head 14 and provided via intake duct 54 to dust separation apparatus 24 .
- the entrained dirt/dust is separated from the air flow by dust separation apparatus 24 and is deposited in dust collection apparatus 26 .
- the cleaned air is removed from the dust separation apparatus 24 and may be delivered via the outlet duct 60 to the motor to cool the motor, after which it is expelled from vacuum cleaner 10 though optional final filter 30 .
- the vacuum motor is deactivated by the user.
- button 106 is manually depressed to move cam 100 downwardly to depress cam tooth 86 of pawl 84 out of engagement with lip 94 .
- Canister body 22 is then lifted upwardly to disengage locating pin 70 from dimple 72 and canister body 22 is thus removed it from receiving bay 66 .
- bin 42 is still sealed. Collection bin 42 may then be moved to a desired location before it is opened by rotating bin 42 relative to the rest of canister body 22 to disengage bayonet-mount assembly 118 to release collection bin 42 from dust separation apparatus 24 (FIG. 11). Collection bin 42 is then inverted and emptied, and then re-assembled with canister body 22 and re-mounted in receiving bay 66 of main casing 12 by repeating the above steps in reverse order.
- latch assembly 28 is in this ‘latched’ position (FIG.
- upper skirt 116 cooperates with lip 94 and button 106 to provide a secure connection between canister body 22 and main casing 12 .
- Locating pin 70 and dimple 72 at lower end 52 of canister body 22 further secure and stabilize the connection.
- the latching mechanism of the present invention is advantageously positioned on vacuum cleaner 10 and adapted to permit the easy removal of canister body 22 from main casing 12 with minimal stooping or bending by the user.
- the latching device provides an easily operable and ergonomic mechanism which minimizes user time and frustration in removing and replacing canister body 22 on main casing 12 .
- the latching mechanism permits the canister body to be easily and reliably sealed in the latched position and therefore easy to operate.
Abstract
Description
- The present invention relates to a vacuum cleaning device and, more particularly, to a vacuum cleaner having a releasable bin.
- A typical upright vacuum cleaner comprises a main casing, which houses a dust separation apparatus, a cleaner head pivotally mounted to the main casing and a handle attached to the main casing for moving the device on a set of wheels over a floor. This configuration has gained wide acceptance for domestic upright vacuum cleaners irrespective of the mode of dust separation used. Vacuum cleaners of this type typically employ filter bags (and other types of physical filtration) or cyclonic filtration to remove dust and dirt particles from the airflow generated by the device. These means of dust separation may be used either alone or in conjunction with one another.
- Irrespective of the means of dust separation employed, however, the collected dirt and dust must ultimately be emptied from the device. Typically this involves removing a portion of the main casing (i.e. an access panel) to provide access to a dust collector to be emptied or replaced. In some cases, the portion of the main casing removed also functions as the dust collector itself. In all cases, though, it is typical that the access panel and/or dust collector is located close to the ground, which requires the user to stoop or bend over to operate the release mechanism. Easy removal and replacement is also hindered by the fact that the removable portion(s) must be sealed and tightly secured in place while the device is in operation to ensure minimal air leakage. This design consideration typically results in a panel or collector which is difficult to remove and/or replace.
- The latching mechanism of the present invention provides an easily operable and ergonomic mechanism which minimizes user time and frustration in removing and replacing a canister body on a main casing of the vacuum cleaner. The result is a device which has a removable components what are easily sealable by the manufacturer and easily operated by the user. The present invention provides an upright vacuum cleaning device comprising a main casing having a handle extending from an upper end thereof and a cleaning head pivotally mounted to a lower end thereof, a body having a dust separation apparatus and a dust collection apparatus disposed substantially therein, and a latching mechanism adapted to realisably retain the body on the main casing.
- For a better understanding of the present invention and to show more clearly how it may be carried into effect, reference will now be made by way of example to the accompanying drawings which show articles made according to a preferred embodiment of the present invention.
- FIG. 1 is a perspective view of a vacuum cleaner according to the present invention;
- FIG. 2 is a side view of the vacuum cleaner of FIG. 1;
- FIG. 3 is an enlarged perspective view of a portion of the front of the main casing of the vacuum cleaner of FIG. 1;
- FIG. 4 is an enlarged perspective view of a portion of the front of the main casing of the vacuum cleaner of FIG. 1, showing the canister partially removed therefrom;
- FIG. 5 is an enlarged perspective view similar to FIG. 4, shown from a different angle;
- FIG. 6 is an enlarged perspective rear view of the removable canister of the vacuum cleaner of FIG. 1;
- FIG. 7 is a sectional view of the vacuum cleaner of FIG. 1 taken along the lines7-7;
- FIG. 8a is an enlarged sectional view of the latch assembly of FIG. 7, shown in the disengaged position;
- FIG. 8b is an enlarged sectional view of the latch assembly of FIG. 7, shown in the engaged position;
- FIG. 9 is an enlarged perspective view of the latch assembly of the present invention with a portion thereof broken away to show detail;
- FIG. 10 is an enlarged perspective view of the latch assembly from a different angle with a portion thereof broken away to show detail; and
- FIG. 11 is an exploded view of the canister according to the present invention.
- A vacuum cleaner incorporating the present invention is shown generally in the figures at10. Typically, as shown in FIGS. 1 and 2, an
upright vacuum cleaner 10 has amain casing 12, cleaninghead 14 pivotally mounted tomain casing 12, ahandle 16 for manually movingvacuum cleaner 10 over a surface on wheels (which preferably include front wheels, not shown, and rear wheels 18), and anoptional lifting handle 20 for carryingvacuum cleaner 10. In accordance with the present invention,main casing 12 has a canister body 22 (FIG. 6) mounted thereto which contains the dust separation mechanism. The dust separation mechanism, preferably includes adust separation apparatus 24 anddust collection apparatus 26. Canisterbody 22 is removably retained onmain casing 12 in part by alatch assembly 28.Vacuum 10 may optionally include afinal filter 30, such as a HEPA filter. - The internal configuration of
vacuum cleaner 10 may be typical of known devices. As will be understood by one skilled in the art,vacuum cleaner 10 has at least one dirty air inlet (not shown), positioned adjacent the floor inbase 32 ofcleaning head 14, and an inlet conduit leading from the dirty air inlet todust separation apparatus 24. Likewise, one skilled in the art will understand thatvacuum cleaner 10 has a clean air outlet conduit (e.g. 60 as shown in FIG. 4), for removing cleaned air fromdust separation apparatus 24 for expulsion fromvacuum cleaner 10. A vacuum source, typically an electric fan and motor assembly, is provided to induce the air flow through the system and is typically located in cleaninghead 14, although placement of the fan and motor assembly in other locations within the device is known. -
Dust separation apparatus 24 may comprise any means for separating particles (e.g. dirt and dust) from a fluid flow (e.g. air), anddust collection apparatus 26 may be any dust collection means suited to the dust separation means employed. In this embodiment,dust separation apparatus 24 comprises a cyclonic separator 40 anddust collection apparatus 26 is a transparent,cylindrical bin 42. One skilled in the art will appreciate that either a single- or multi-stage cyclonic apparatus may be employed, either alone or in combination with other separation means (e.g. physical filtration members and/or electrostatic filtration). In an alternate embodimentdust separation apparatus 24 anddust collection apparatus 26 may comprise a filter bag and housing as are known in the art. - Typically, a cyclonic separator40 has an air inlet (e.g. 44) in communication with a dirty air stream, e.g., from cleaning
head 14 viainlet duct 54 andsecond aperture 58 for introducing “dirty” air to separator 40 in a manner causing a cyclonic flow therein (e.g. air inlet 44 is a tangential air inlet). The cyclonic flow deposits particles incollector bin 42 and an air exit (e.g. 46) in separator 40 delivers “clean” air to an outlet conduit (e.g. 60) for expulsion fromvacuum cleaner 10. - In the preferred embodiment of FIGS. 3 and 4,
canister body 22 is generally cylindrical, with anupper end 50 and alower end 52.Latch assembly 28 onupper end 50 securely maintains canister body in position with respect tomain casing 12.Main casing 12 has aninlet duct 54 provided internally thereof which defines a dirty air passage leading upwardly from cleaninghead 14 and communicating withdust separation apparatus 24 viafirst aperture 56 on the inner surface of main casing 12 (see FIG. 4) which communicates with asecond aperture 58 in canister body 22 (see FIGS. 5 and 6) leading to the air inlet (not shown) of cyclone separator 40 whencanister body 22 is secured in position.Main casing 12 also has anoutlet duct 60 provided internally thereof which defines a clean air outlet passage leading downwardly from cyclone separator 40 to the vacuum motor (not shown) in cleaninghead 14.Outlet duct 60 communicates with cyclone separator 40 via athird aperture 62 incanister body 22, which is in communication withcyclone air exit 46, and afourth aperture 64 inmain casing 12 whencanister body 22 is secured in position. It will be apparent that the air flow passages and their apertures may be located in different positions. - A receiving
bay 66 is defined betweeninlet duct 54 andoutlet duct 60 for receivingcanister body 22 inmain casing 12, withbay 66 being adapted to receivecanister body 22 in an aesthetically pleasing manner. Receivingbay 66 is substantially concavely cylindrical, to matingly receivecylindrical canister body 22, and has a base 68 (see FIGS. 5 and 7) with a locatingpin 70 extending therefrom.Base 68 is adapted to receivelower end 52 ofcanister body 22, which also has a dimple 72 for receiving at least a portion of locatingpin 70 therein. Locatingpin 70 and dimple 72 cooperate to secure and positionlower end 52 ofcanister body 22 in receivingbay 66 and, together withlatch assembly 28, retaincanister body 22 onmain casing 12.Base 68 may alternately utilize other alignment means known in the vacuum cleaner art. -
Latch assembly 28 is positioned adjacentupper end 50 ofcanister body 22 to permit a user to actuate latch mechanism, preferably without essentially any stooping or bending. For example,latch assembly 28 may be positioned onlifting handle 20, nearhandle 16. However, it will be appreciated thatlatch mechanism 28 could be positioned elsewhere onupper end 50, e.g.top surface 48. Referring to FIGS. 8a and 8 b,latch assembly 28 has alatch portion 80 mounted tomain casing 12, and acatch portion 82 mounted to canisterbody 22.Latch portion 80 includes apawl 84, having atooth 86, which extends outwardly from the inner surface of receivingbay 66.Latch portion 80 also has alower skirt 110, and a dependingportion 112. Dependingportion 112 is spaced apart fromtooth 86 ofpawl 84 so that arecess 114 exists therebetween.Latch portion 80 also has anupper skirt portion 116.Pawl 84 is moveable between a first position, in which it engages withlatch portion 82 and a second position in which it is disengaged fromlatch portion 82. Whilepawl 84 could be designed as a rocker switch,pawl 84 is preferably biased, preferably to the first position. To this end a resiliently deformable member (e.g. an elastomeric member, a compression spring on a tension spring) may be used. Referring to FIGS. 8a, 8 b, base 88 is provided distal topawl 84. Acompression spring 92 extends between base 88 andlower skirt 110. When pawl 84 is moved to the disengaged position,spring 92 is compressed. The compression inspring 92 biases base 88, andpawl 84, to the engaged position shown in FIG. 8a. -
Catch portion 82 has a vertically extendinglip 94.Catch portion 82 further includes a release means 98 which acts ontooth 86 to movepawl 84 between its engaged and disengaged positions.Pawl 84 andtooth 86 may be of any construction which will causepawl 84/tooth 86 to move when acted upon by a longitudinal or rotational motion. Preferably, a longitudinal motion is used. For example arelease cam 100, which is movable between a disengaged position (see FIG. 8a) and an engaged position (see FIG. 8b) may be used. A biasing means 102 urgescam 100 to a disengaged position, e.g. upwardly. Abutton 106 permits manual operation ofcam 100. Biasing means 102 may be an elastomeric member or a spring. Biasing means may be a tension or compression spring. As shown in FIGS. 8a and 8 b, handle 20 is provided with askirt 108. Spring 104 extends betweenskirt 108 andbutton 106 to urgebutton 106 upwardly. - When
latch assembly 28 is assembled in the ‘latched’ position (FIG. 8a),pawl 84 extendspast gap 96 so thattooth 86 and dependingportion 112 engagelip 94 inrecess 114.Upper skirt portion 116 also abuts againstbutton 106. Spring 104 maintainscam 100 out of contact withtooth 86. Whenbutton 106 is depressed to ‘unlatch’latch assembly 28,cam 100 pushes pawl 84 downwardly (FIG. 8b) so thattooth 86 is moved downwardly out of engagement withlip 94, thereby permittingpawl 84 to be withdrawn fromgap 96. - Referring to FIG. 11,
collection apparatus 26 is separable from the remainder ofcanister body 22 to permit collected dust and dirt particles to be emptied therefrom such as into a garbage can located outside of a house.Dust separation apparatus 24 has a central post portion 120 which terminates at an end portion 122 which has a curvilinear slot 124 therein.Collection apparatus 26 has a central socket 126 with a pin 128 projecting internally therein. End portion 122 of central post 120 is insertable in socket 126, and pin 128 is engageable with curvilinear slot 124 to provide a bayonet-mount assembly 118 to mountcollection apparatus 26 todust separation apparatus 24. As will be understood by one skilled in the art, pin 128 and curvilinear slot 124 are adapted to permitdust collection apparatus 26 to be rotatable from a first position, in whichdust collection apparatus 26 is securely attached todust separation apparatus 24 by way of the interaction between pin 128 and curvilinear slot 124, and a second position whereindust collection apparatus 26 is releasable fromdust separation apparatus 24 by releasing pin 128 from curvilinear slot 124 by movingdust collection apparatus 26 to said second position. A locatingring 130 is provided on a lower portion ofdust separation apparatus 24 to position and secureupper lip 132 ofdust collection apparatus 26 againstdust separation apparatus 24 whencanister body 22 is assembled as described above. - Referring again to FIG. 1, in
use vacuum 10 is operated by energizing the motor and fan assembly to activate an air flow stream through the device.Vacuum cleaner 10 is moved over a floor surface to be cleaned and dirt and dust is entrained in the airflow drawn into the device through cleaninghead 14 and provided viaintake duct 54 todust separation apparatus 24. The entrained dirt/dust is separated from the air flow bydust separation apparatus 24 and is deposited indust collection apparatus 26. The cleaned air is removed from thedust separation apparatus 24 and may be delivered via theoutlet duct 60 to the motor to cool the motor, after which it is expelled fromvacuum cleaner 10 though optionalfinal filter 30. When the floor is satisfactorily cleaned, the vacuum motor is deactivated by the user. - Referring to FIG. 8b, to empty
dust collection apparatus 26, as will be periodically necessary,button 106 is manually depressed to movecam 100 downwardly to depresscam tooth 86 ofpawl 84 out of engagement withlip 94. This releasespawl 84 fromlip 94 and permits pawl 84 to be withdrawn fromgap 96 by grasping handle 20 (whilebutton 106 is depressed), and then tippingupper end 50 ofcanister body 22 away frommain casing 12 to pivotcanister body 22 about locatingpin 70 and disengage latch assembly 28 (see FIGS. 4 and 5).Canister body 22 is then lifted upwardly to disengage locatingpin 70 fromdimple 72 andcanister body 22 is thus removed it from receivingbay 66. It will be appreciated thatbin 42 is still sealed.Collection bin 42 may then be moved to a desired location before it is opened by rotatingbin 42 relative to the rest ofcanister body 22 to disengage bayonet-mount assembly 118 to releasecollection bin 42 from dust separation apparatus 24 (FIG. 11).Collection bin 42 is then inverted and emptied, and then re-assembled withcanister body 22 and re-mounted in receivingbay 66 ofmain casing 12 by repeating the above steps in reverse order. Whencanister 22 is installed onmain casing 12, and latchassembly 28 is in this ‘latched’ position (FIG. 8a),upper skirt 116, lower skirt 110 (through depending portion 112) andtooth 86 cooperate withlip 94 andbutton 106 to provide a secure connection betweencanister body 22 andmain casing 12. Locatingpin 70 anddimple 72 atlower end 52 ofcanister body 22, further secure and stabilize the connection. - The latching mechanism of the present invention is advantageously positioned on
vacuum cleaner 10 and adapted to permit the easy removal ofcanister body 22 frommain casing 12 with minimal stooping or bending by the user. The latching device provides an easily operable and ergonomic mechanism which minimizes user time and frustration in removing and replacingcanister body 22 onmain casing 12. The latching mechanism permits the canister body to be easily and reliably sealed in the latched position and therefore easy to operate. - While the above description constitutes the preferred embodiment, it will be appreciated that the present invention is susceptible to modification and change without departing from the fair meaning of the accompanying claims.
Claims (13)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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CA002346173A CA2346173A1 (en) | 2001-05-02 | 2001-05-02 | Vacuum cleaner |
CA2,346,173 | 2001-05-02 |
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US20020162188A1 true US20020162188A1 (en) | 2002-11-07 |
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Application Number | Title | Priority Date | Filing Date |
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US09/917,740 Abandoned US20020162188A1 (en) | 2001-05-02 | 2001-07-31 | Vacuum cleaner |
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Cited By (50)
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US20020184731A1 (en) * | 2001-02-06 | 2002-12-12 | Moine David W. | Dirt collecting system |
US20030115714A1 (en) * | 2001-12-20 | 2003-06-26 | Lg Electronics Inc. | Locking device for exhaust filter cover of vacuum cleaner |
US20030115713A1 (en) * | 2001-12-20 | 2003-06-26 | Lg Electronics Inc. | Locking device for exhaust filter of vaccum cleaner |
US20040098828A1 (en) * | 2002-11-21 | 2004-05-27 | Samsung Gwangju Electronics Co., Ltd. | Grill assembly and cyclone dust collecting apparatus for vacuum cleaner having a grill assembly |
KR100437107B1 (en) * | 2002-05-31 | 2004-06-23 | 삼성광주전자 주식회사 | Vacuum cleaner |
FR2849364A1 (en) * | 2002-12-31 | 2004-07-02 | Samsung Kwangju Electronics Co | FIXING DEVICE FOR FIXING AND DETACHING A DUST CONTAINER FROM A CYCLONE-TYPE VACUUM AND VACUUM COMPRISING SUCH A DEVICE |
US20040261212A1 (en) * | 2003-06-26 | 2004-12-30 | Park Jung-Seon | Multifunction vacuum cleaner |
US20070209336A1 (en) * | 2006-03-10 | 2007-09-13 | Gbd Corp. | Cyclonic vacuum cleaner |
GB2440715A (en) * | 2006-08-08 | 2008-02-13 | Dyson Technology Ltd | Vacuum cleaner |
US20080083085A1 (en) * | 2004-07-23 | 2008-04-10 | Dyson Technology Limited | Domestic Cleaning Appliance |
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-
2001
- 2001-05-02 CA CA002346173A patent/CA2346173A1/en not_active Abandoned
- 2001-07-31 US US09/917,740 patent/US20020162188A1/en not_active Abandoned
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Legal Events
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Owner name: FANTOM TECHNOLOGIES INC., ONTARIO Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:HARMEN, JOHN T.;REEL/FRAME:012041/0654 Effective date: 20010517 |
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